1214154052141 has 4 divisors (see below), whose sum is σ = 1214384054400. Its totient is φ = 1213924049884.

The previous prime is 1214154052123. The next prime is 1214154052151. The reversal of 1214154052141 is 1412504514121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214154052141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214154052151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114993211 + ... + 115003768.

It is an arithmetic number, because the mean of its divisors is an integer number (303596013600).

Almost surely, 2^{1214154052141} is an apocalyptic number.

It is an amenable number.

1214154052141 is a deficient number, since it is larger than the sum of its proper divisors (230002259).

1214154052141 is an equidigital number, since it uses as much as digits as its factorization.

1214154052141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230002258.

The product of its (nonzero) digits is 6400, while the sum is 31.

Adding to 1214154052141 its reverse (1412504514121), we get a palindrome (2626658566262).

The spelling of 1214154052141 in words is "one trillion, two hundred fourteen billion, one hundred fifty-four million, fifty-two thousand, one hundred forty-one".